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Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2023, 08:24

General

  • Target

    e840909c8d0910764476676584600f63a828da35fdd79ec9a78753604e7ba14d.exe

  • Size

    19KB

  • MD5

    04a007ec5600b38507979b232c3440c1

  • SHA1

    ce312c32c46c3978980b900ff013fec773e78263

  • SHA256

    e840909c8d0910764476676584600f63a828da35fdd79ec9a78753604e7ba14d

  • SHA512

    5fc9cf17c71eca4b684ddd44dd4df9e3d234abacd9a93fee29ec5a97b9c69d9371afe3886d5d5c5185a3771885de4d836cfb3dc656063a0559baf53fbb82f80c

  • SSDEEP

    192:oV7qaCF6Op1t2dobVXujRDcBaXWQjwOT/2ySzq3WF8qa1Dojjgi:aqaCF31cix+Dc4zjDSuGFF46gi

Malware Config

Extracted

Family

cobaltstrike

C2

http://192.168.1.43:9999/Jj7r

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/5.0)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e840909c8d0910764476676584600f63a828da35fdd79ec9a78753604e7ba14d.exe
    "C:\Users\Admin\AppData\Local\Temp\e840909c8d0910764476676584600f63a828da35fdd79ec9a78753604e7ba14d.exe"
    1⤵
      PID:3112
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:1440
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4384

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3112-0-0x0000000000020000-0x0000000000021000-memory.dmp

        Filesize

        4KB

      • memory/3112-1-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/4384-11-0x0000025D60E40000-0x0000025D60E50000-memory.dmp

        Filesize

        64KB

      • memory/4384-27-0x0000025D60F40000-0x0000025D60F50000-memory.dmp

        Filesize

        64KB

      • memory/4384-43-0x0000025D69220000-0x0000025D69221000-memory.dmp

        Filesize

        4KB

      • memory/4384-45-0x0000025D69250000-0x0000025D69251000-memory.dmp

        Filesize

        4KB

      • memory/4384-46-0x0000025D69250000-0x0000025D69251000-memory.dmp

        Filesize

        4KB

      • memory/4384-47-0x0000025D69360000-0x0000025D69361000-memory.dmp

        Filesize

        4KB